DFPatternCallback
tvm.arith
tvm.arith.analyzer
tvm.ir
tvm/script
tvm/script/parser/core
tvm::runtime::Object
tvm::runtime::ObjectPtr
tvm::runtime::ObjectRef
packed_func
make_node()
env_func
tvm._ffi
_init_api()
register_object
tvm.te.tag.tag_scope()
tvm.topi
saturate
q_multiply_shift()
nn.pad
ExprFunctor
NameSupply
tvm.contrib
canonicalizations
nn.module
caffe
tvm_book
tvm_book.config
tvm_book.config.env
tvm_book.transforms
tvm_book.transforms.common
tvm_book.transforms.graphpack
参考：GatherND
